31100140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 74680704

約数和(自身を除く): 43580564

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 41, 46, 68, 82, 85, 92, 97, 115, 164, 170, 194, 205, 230, 340, 388, 391, 410, 460, 485, 697, 782, 820, 943, 970, 1394, 1564, 1649, 1886, 1940, 1955, 2231, 2788, 3298, 3485, 3772, 3910, 3977, 4462, 4715, 6596, 6970, 7820, 7954, 8245, 8924, 9430, 11155, 13940, 15908, 16031, 16490, 18860, 19885, 22310, 32062, 32980, 37927, 39770, 44620, 64124, 67609, 75854, 79540, 80155, 91471, 135218, 151708, 160310, 182942, 189635, 270436, 320620, 338045, 365884, 379270, 457355, 676090, 758540, 914710, 1352180, 1555007, 1829420, 3110014, 6220028, 7775035, 15550070, 31100140]

約数ペア:

[(1, 31100140), (2, 15550070), (4, 7775035), (5, 6220028), (10, 3110014), (17, 1829420), (20, 1555007), (23, 1352180), (34, 914710), (41, 758540), (46, 676090), (68, 457355), (82, 379270), (85, 365884), (92, 338045), (97, 320620), (115, 270436), (164, 189635), (170, 182942), (194, 160310), (205, 151708), (230, 135218), (340, 91471), (388, 80155), (391, 79540), (410, 75854), (460, 67609), (485, 64124), (697, 44620), (782, 39770), (820, 37927), (943, 32980), (970, 32062), (1394, 22310), (1564, 19885), (1649, 18860), (1886, 16490), (1940, 16031), (1955, 15908), (2231, 13940), (2788, 11155), (3298, 9430), (3485, 8924), (3772, 8245), (3910, 7954), (3977, 7820), (4462, 6970), (4715, 6596)]